CN103038305B - Adhesive for crystalline metal oxide conducting film and adhesive sheet for crystalline metal oxide conducting film using the same - Google Patents
Adhesive for crystalline metal oxide conducting film and adhesive sheet for crystalline metal oxide conducting film using the same Download PDFInfo
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- CN103038305B CN103038305B CN201180037147.2A CN201180037147A CN103038305B CN 103038305 B CN103038305 B CN 103038305B CN 201180037147 A CN201180037147 A CN 201180037147A CN 103038305 B CN103038305 B CN 103038305B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0091—Complexes with metal-heteroatom-bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Position Input By Displaying (AREA)
Abstract
This adhesive for crystalline metal oxide conducting film is characterized in containing: (A) an alkylester acrylate-based copolymer containing (a-1) 50 to 99% by weight of an alkylester acrylate unit wherein the alkyl group of the ester part has a carbon number of 1 to 20, and (a-2) 0.5 to 10% by weight of acrylic acid; and (B) 0.01 to 2 parts by weight of a metal chelate-based cross-linking agent with respect to 100 parts by weight of solid content of the alkylester acrylate-based copolymer. This adhesive for crystalline metal oxide conducting film can be used for affixing a display device, such as an LCD, with a crystalline metal oxide conducting film, such as tin-doped indium oxide (ITO) film, ameliorating the deterioration of a conducting film, such as an ITO film, that is the adherent, and preventing a rise in electrical resistivity, and is particularly suitable for use in a capacitive touch panel.
Description
Technical field
The present invention relates to crystallinity metal conductive oxide film tackiness agent and use the crystallinity metal conductive oxide film adhesive sheet of this tackiness agent.Specifically, the present invention relates to a kind of crystallinity metal conductive oxide film tackiness agent and use the crystallinity metal conductive oxide film adhesive sheet of this tackiness agent, it is for the crystallinity metal conductive oxide films such as tin-doped indium oxide (ITO) film being fixed on tackiness agent in the display unit such as liquid-crystal display (LCD) and adhesive sheet, it can suppress the deterioration of the conducting films such as the ito film directly contacted with tackiness agent face and suppress the rising of resistance value, is especially suitable for capacitance-type touch panel purposes.
Background technology
Fig. 1 is the sectional view of an example of capacitance-type touch panel.
As shown in Figure 1, capacitance-type touch panel 16 has the surface material layers such as hard coat 1, glass coating 2, decorative printed layer 3, embedding binder layer 4, glass coating 5, nesa coating 6, conducting film binder layer 7, display unit 8 from face side successively lamination.
For the capacitance-type touch panel with above-mentioned formation, when applying faint voltage to nesa coating 6, can at the surperficial accumulated charge of nesa coating 6 thus formed electric field.When utilizing the conductor contact surfaces material layers 1 such as finger, pointer, the state of electric field can change, and then produces electric discharge.Computing is carried out to the faint curent change of the corner flowing to nesa coating 6, carries out the detection of contact position.Therefore, for the tackiness agent of the conducting film binder layer 7 formed in order to fixing nesa coating 6 and display unit 8, the performance requiring it to have not make the electric capacity of nesa coating 6 (electrostatic capacity) change.But traditional tackiness agent can cause nesa coating deterioration under hot and humid environment, resistance value increases, and is therefore not suitable for for capacitance-type touch panel.
On the other hand; for the Adhesive composition for optical component of the transparency electrode for touch panel etc.; because sour composition contained in tackiness agent can become the reason that metallic corrosion occurs usually; therefore, a kind of double sticky tape (such as patent documentation 1) acidic-group such for carboxyl not being used for tackiness agent is proposed.On the other hand, disclose a kind of Adhesive composition for optical component, it contains (methyl) acrylic polymers, and be superoxide and epoxies linking agent 0.005 ~ 5 mass parts of 0.02 ~ 2 mass parts relative to described (methyl) acrylic polymers 100 mass parts as linking agent, described (methyl) acrylic polymers contains (methyl) alkyl acrylate with the alkyl of carbonatoms 4 ~ 14 as monomeric unit, and as copolymer composition relative to this (methyl) alkyl acrylate 100 mass parts be the carboxyl group-containing monomer of 0.2 ~ 20 mass parts (such as, see patent documentation 2).
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2005-325250 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-242786 publication
Summary of the invention
The problem that invention will solve
When the binder composition recorded in above-mentioned patent documentation 1 is fitted in noncrystalline metal conductive oxide film, there is following problems: resistance value noticeable change can occur in high temperature and high humidity environment, and degradation punching processing adaptability can be caused because cohesive force is not enough under.
In addition, for the binder composition recorded in above-mentioned patent documentation 2, carboxyl group-containing monomer has been used as the monomer becoming cross-linking set, but linking agent be superoxide and epoxies linking agent combinationally use system, do not use metal-chelating class linking agent.
In addition, the object of patent documentation 2 is to provide a kind of can formation can suppress the xanthochromia under high temperature and high temperature and humidity environment and the Adhesive composition for optical component of the binder layer of the foaming, stripping etc. under can suppressing high temperature and hot and humid environment, and it is not the technology of the deterioration suppressing metal conductive oxide film.
The present invention completes in view of above-mentioned background, object is the crystallinity metal conductive oxide film adhesive sheet providing a kind of crystallinity metal conductive oxide film tackiness agent and use this tackiness agent, it is tackiness agent for display unit such as crystallinity metal conductive oxide film and LCD such as fixing tin-doped indium oxide (ITO) films and adhesive sheet, and it can suppress the deterioration as the conducting film such as ito film of adherend and can suppress the rising of resistance value, is especially suitable for capacitance-type touch panel purposes.
The method of dealing with problems
The present inventor etc. conduct in-depth research for achieving the above object, found that, by to contain alkyl-acrylates multipolymer and metal-chelating class linking agent to certainty ratio, and respectively to comprise the acrylate unit of carbonatoms at specified range and the tackiness agent of acrylic acid units of ester portion alkyl to certainty ratio in described alkyl-acrylates multipolymer, be particularly the tackiness agent of more than 0.10MPa the storage modulus of 65 DEG C, above-mentioned purpose can be made to be achieved.The present invention is based on such opinion and complete.
That is, the invention provides:
[1] a kind of crystallinity metal conductive oxide film tackiness agent, it contains (A) alkyl-acrylates multipolymer and (B) metal-chelating class linking agent, the carbonatoms that described (A) alkyl-acrylates multipolymer comprises (a-1) ester portion alkyl is acrylate unit 50 ~ 99 quality % and (a-2) acrylic acid units 0.5 ~ 10 quality % of 1 ~ 20, and relative to solids component 100 mass parts of (A) alkyl-acrylates multipolymer, (B) metal-chelating class linking agent containing 0.01 ~ 2 mass parts;
[2] the crystallinity metal conductive oxide film tackiness agent described in above-mentioned [1] item, wherein, (a-1) acrylate unit is at least butyl acrylate units;
[3] above-mentioned [1] or the crystallinity metal conductive oxide film tackiness agent described in [2] item, it is more than 0.10MPa the storage modulus of 65 DEG C;
[4] a crystallinity metal conductive oxide film adhesive sheet, it has the layer that the tackiness agent according to any one of the item of above-mentioned [1] ~ [3] is formed;
[5] a crystallinity metal conductive oxide film adhesive sheet, it only clamps by 2 stripping films layer that the tackiness agent according to any one of the item of above-mentioned [1] ~ [3] formed and obtains;
[6] above-mentioned [4] or the crystallinity metal conductive oxide film adhesive sheet described in [5] item, wherein, the crystallinity metal conductive oxide film of laminating object is crystalline tin-doped indium oxide;
[7] the crystallinity metal conductive oxide film adhesive sheet according to any one of the item of above-mentioned [4] ~ [6], it uses as touch panel component;
[8] a touch panel component, it at least comprises the layer that crystallinity metal conductive oxide film and the crystallinity metal conductive oxide film tackiness agent according to any one of the item of above-mentioned [1] ~ [3] are formed;
[9] a touch panel component, its layer formed by sheet glass, crystallinity metal conductive oxide film tackiness agent according to any one of the item of above-mentioned [1] ~ [3] and crystallinity metal conductive oxide film lamination and obtaining successively; And
[10] above-mentioned [8] or the touch panel component described in [9] item, wherein, touch panel is capacitance-type.
The effect of invention
According to the present invention, crystallinity metal conductive oxide film tackiness agent and crystallinity metal conductive oxide film adhesive sheet can be provided, it is tackiness agent for display unit such as crystallinity metal conductive oxide film and LCD such as fixing tin-doped indium oxide (ITO) films and adhesive sheet, and it can suppress the deterioration as the conducting film such as ito film of adherend and can suppress the rising of resistance value, is especially suitable for capacitance-type touch panel purposes.
Accompanying drawing explanation
Fig. 1 is the sectional view of the formation of the example that capacitance-type touch panel is shown; Fig. 2 is the specification figure of the making that resistance value test sample is shown; Fig. 3 is the explanatory view of the measuring method that point-to-point transmission resistance value is shown.
In figure, symbol 1 represents surface material layer, 2 represent glass coating, 3 represent decorative printed layer, 4 represent embedding binder layer, 5 represent conducting film body material, 6 represent nesa coating, 7 represent conducting film binder layer, 8 represent display unit, 9 and 9 ' represent stripping film, 10 represent slide glass, 11 represent silver sticks with paste (electrode), 12 represent ito film, 13 represent polyethylene terephthalate film, 14 represent splicing tpae, 15 represent sheet glass, 16 represent capacitance-type touch panel.
Embodiment
First, be described for crystallinity metal conductive oxide film tackiness agent of the present invention (following, sometimes referred to as " conducting film tackiness agent ").
Conducting film tackiness agent of the present invention is crystallinity metal conductive oxide film tackiness agent, it is characterized in that, containing (A) alkyl-acrylates multipolymer and (B) metal-chelating class linking agent, the carbonatoms that described (A) alkyl-acrylates multipolymer comprises (a-1) ester portion alkyl is acrylate unit 50 ~ 99 quality % and (a-2) acrylic acid units 0.5 ~ 10 quality % of 1 ~ 20, and relative to solids component 100 mass parts of (A) alkyl-acrylates multipolymer, (B) metal-chelating class linking agent containing 0.01 ~ 2 mass parts.
The conducting film tackiness agent of the present invention with above-mentioned composition has following effect: can adaptation crystallinity metal conductive oxide film and display unit be fixed well, and the deterioration of crystallinity metal conductive oxide film can be suppressed, suppress the rising of resistance value, especially capacitance-type touch panel purposes is suitable for, etc.
[(A) alkyl-acrylates multipolymer]
In conducting film tackiness agent of the present invention, the alkyl-acrylates multipolymer as the use of (A) composition is the carbonatoms comprising (a-1) ester portion alkyl is acrylate unit 50 ~ 99 quality % of 1 ~ 20 and the multipolymer of (a-2) acrylic acid units 0.5 ~ 10 quality %.
((a-1) acrylate unit)
The acrylate unit forming (a-1) unit of this alkyl-acrylates multipolymer is the unit of the alkyl acrylate of 1 ~ 20 from the carbonatoms of ester portion alkyl.
Here, carbonatoms as ester portion alkyl is the example of the alkyl acrylate of 1 ~ 20, can enumerate methyl acrylate, ethyl propenoate, propyl acrylate, butyl acrylate, amyl acrylate, Ethyl acrylate, cyclohexyl acrylate, 2-EHA, Isooctyl acrylate monomer, decyl acrylate, dodecylacrylate, myristyl ester, vinylformic acid palm ester, stearyl acrylate ester etc.These alkyl acrylates may be used alone, or two or more kinds may be used in combination, but from the viewpoint of showing cohesive force, this wherein preferably uses butyl acrylate.
From the viewpoint of effect of the present invention, the content being somebody's turn to do (a-1) acrylate unit in alkyl-acrylates multipolymer needs to be 50 ~ 99 quality %, is preferably 60 ~ 98.5 quality %, is more preferably 70 ~ 98 quality %.
((a-2) acrylic acid units)
The acrylic acid units forming (a-2) unit of this alkyl-acrylates multipolymer is from the acrylic acid unit as monomer, from the viewpoint of effect of the present invention, the content of acrylic acid units in this alkyl-acrylates multipolymer needs to be 0.5 ~ 10 quality %, be preferably 1 ~ 6 quality %, be more preferably 2 ~ 4 quality %.
(other monomeric unit)
In the scope not destroying effect of the present invention, in this alkyl-acrylates multipolymer except above-mentioned (a-1) unit and (a-2) unit, can also as required and suitably containing other monomeric unit.
As the example of other monomeric unit, the unit from the alkyl methacrylate corresponding with above-mentioned illustrative alkyl acrylate can be enumerated; From acrylic amides such as acrylamide, Methacrylamide, N methacrylamide, N-methyl methacrylamide, N hydroxymethyl acrylamide, N-methylol methacrylamides, (methyl) vinylformic acid Mono-alkylaminoalkyl esters such as (methyl) vinylformic acid monomethylaminoethylester, (methyl) vinylformic acid list ethylamino ethyl ester, (methyl) vinylformic acid mono-methyl amino propyl ester, (methyl) vinylformic acid list ethylamino propyl ester, the unit of the ethene unsaturated carboxylic acids such as methacrylic acid, β-crotonic acid, toxilic acid, methylene-succinic acid, citraconic acid etc.
In addition, can enumerate from the vinyl ester such as vinyl-acetic ester, propionate; The olefines such as ethene, propylene, iso-butylene; The haloalkene such as vinylchlorid, vinylidene chloride hydro carbons; The styrene monomer such as vinylbenzene, alpha-methyl styrene; The diene-based monomer such as divinyl, isoprene, chloroprene; The nitrile monomer such as vinyl cyanide, methacrylonitrile; The unit of N, the N-dialkyl group substituted acrylamide classes such as N,N-DMAA, N, N-dimethylmethacryl amide etc.
These as required and import other monomeric unit can import a kind, also can import two or more.
The weight-average molecular weight of this alkyl-acrylates multipolymer is preferably more than 600,000.If this weight-average molecular weight is less than 600,000, then adhesion durability under high temperature/high humidity may be caused not enough, produce float off, stripping etc.When considering adhesion durability etc., this weight-average molecular weight is more preferably 650,000 ~ 2,200,000, is particularly preferably 700,000 ~ 2,000,000.
It should be noted that, above-mentioned weight-average molecular weight is the value of the polystyrene conversion by gel permeation chromatography (GPC) method mensuration.
[(B) metal-chelating class linking agent]
From the viewpoint of the Young's modulus improving tackiness agent, in conducting film tackiness agent of the present invention, metal-chelating class linking agent can be used as (B) composition.
As the concrete example of this metal-chelating class linking agent, can enumerate: three n-butoxy methyl aceto acetates conjunction zirconiums, dibutoxy are two, and (methyl aceto acetate) closes zirconium, n-butoxy three (methyl aceto acetate) closes zirconium, four (etheric acid n-propyls) close zirconium, four (acetoaceto acetic ester) close zirconium, four (methyl aceto acetates) close the zirconium chelating class linking agents such as zirconium; Diisopropoxy two (methyl aceto acetate) closes titanium, diisopropoxy two (acetylacetic ester) closes titanium, diisopropoxy two (methyl ethyl diketone) closes the titanium chelating class linking agents such as titanium; Diisopropoxy methyl aceto acetate closes aluminium, diisopropoxy acetyl acetone aluminium, isopropoxy two (methyl aceto acetate) close aluminium, two (methyl ethyl diketone) closes aluminium to isopropoxy, three (methyl aceto acetates) close aluminium, tri acetylacetonato closes aluminium, single acetyl acetone two (methyl aceto acetate) closes the aluminium chelating class linking agents etc. such as aluminium.
Consider from viewpoints such as improving the effect of Young's modulus of tackiness agent and economy, in these metal-chelating class linking agents, preferred aluminium chelating class linking agent.These metal-chelating class linking agents may be used alone, or two or more kinds may be used in combination.In addition, in the scope not destroying effect of the present invention, can use with other crosslinker combination.
From the viewpoint of improve tackiness agent Young's modulus and demonstrate cohesive force, relative to solids component 100 mass parts of the alkyl-acrylates multipolymer of above-mentioned (A) composition, in conducting film tackiness agent of the present invention, the content of the metal-chelating class linking agent of (B) composition needs to be 0.01 ~ 2 mass parts, be preferably 0.05 ~ 1.6 mass parts, be more preferably 0.1 ~ 1.2 mass parts.
[any composition]
In order to improve bonding force and resisting power, in conducting film tackiness agent of the present invention, silane coupling agent can also be contained.In addition, also other known additive can be contained, such as, the powder such as tinting material, pigment, dyestuff, tensio-active agent, softening agent, binding property imparting agent, surface lubricant, flow agent, tenderizer, oxidation inhibitor, antiaging agent, photostabilizer, ultraviolet absorption material, stopper etc. can be contained.
(silane coupling agent)
As the concrete example of silane coupling agent, vinyltrimethoxy silane can be enumerated, vinyltriethoxysilane, the silicon compound containing polymerizability unsaturated group such as methacryloxypropyl trimethoxy silane, 3-glycidoxypropyltrime,hoxysilane, 2-(3, 4-epoxycyclohexyl) ethyl trimethoxy silane etc. has the silicon compound of epoxy construction, 3-TSL 8330, N-(2-amino-ethyl)-3-TSL 8330, N-(2-amino-ethyl)-3-amino propyl methyl dimethoxysilane etc. are containing amino silicon compound, 3-r-chloropropyl trimethoxyl silane etc.These silane coupling agents can be used alone a kind, also two or more can be combinationally used.
Relative to alkyl-acrylates copolymer 1 00 mass parts of above-mentioned (A) composition, the content of this silane coupling agent preferably in the scope of 0.001 ~ 10 mass parts, more preferably in the scope of 0.005 ~ 5 mass parts.
For conducting film tackiness agent of the present invention, preferably at 65 DEG C, the storage modulus of tackiness agent is more than 0.10MPa, if storage modulus is lower than 0.10MPa, the interface of adherend and tackiness agent then cannot be supported under high temperature/high humidity environment, can on metal conductive oxide face, produce crack and cause resistance value to increase, thus not preferred.It should be noted that, in this application, at 65 DEG C, the storage modulus of tackiness agent is that the method utilizing embodiment (2) item to record carries out measuring.
Tackiness agent of the present invention is crystallinity metal conductive oxide film tackiness agent, as crystallinity metal oxide, it is high that its resistance value for the high metal oxide of crystallinity increases inhibition, therefore preferably, such as tin-doped indium oxide (ITO), zinc oxide, stannic oxide, titanium oxide, IZO, GZO, ATO etc. can be enumerated.
As the formation method of conducting film, be not particularly limited, but from the viewpoint of performance that is transparent and resistance value, preferably utilize the forming method of sputtering method.As conducting film, on the conducting film such as plastic film, sheet glass body material, preferably sputter thickness is the film that the metal oxide of less than 1 μm obtains.
When above-mentioned conducting film body material is sheet glass, as glass, soda-lime glass, flint glass, pyrex, silica glass etc. can be enumerated.As the principal constituent of glass, can silicon-dioxide be enumerated, as minor component, aluminum oxide, sodium oxide, magnesium oxide, calcium oxide, boron oxide, phosphorus oxide, ferric oxide, potassium oxide, titanium oxide, zinc oxide etc. can be enumerated.
When above-mentioned conducting film body material is plastic film, as plastic film, transparent film, the such as polyester resin such as polyethylene terephthalate, PEN, acetate esters resin, polyether sulfone resin, polycarbonate resin, polyamide-based resin, polyimide based resin, polyolefin resin, polycyclic olefine kind resin, (methyl) acrylic resin, polyvinyl chloride resin, polyvinylidene chloride resinoid, polystyrene resins, polyvinyl alcohol resin, polyarylester resinoid, polyphenylene sulfide resinoid etc. can be enumerated.Wherein, particularly preferably polyester resin, polyimide based resin and polyether sulfone resin etc.
Then, be described for crystallinity metal conductive oxide film adhesive sheet of the present invention (following, sometimes referred to as " conducting film adhesive sheet ").
Conducting film adhesive sheet of the present invention comprises following three kinds of modes: the crystallinity metal conductive oxide film adhesive sheet I in the one side of body material sheet with the layer formed by the conducting film tackiness agent of the invention described above; There is on the two sides of body material sheet the crystallinity metal conductive oxide film adhesive sheet II of the layer formed by conducting film tackiness agent of the present invention; And only clamp the layer formed by the conducting film tackiness agent of the invention described above and the crystallinity metal conductive oxide film adhesive sheet III obtained by 2 stripping films.
[conducting film adhesive sheet I and II]
The feature of conducting film adhesive sheet I of the present invention is to have the layer formed by the conducting film tackiness agent of the invention described above in the one side of body material sheet.In addition, the feature of crystallinity metal conductive oxide film adhesive sheet II is to have the layer formed by the conducting film tackiness agent of the invention described above on the two sides of body material sheet.
For conducting film adhesive sheet I and II of the present invention, the thickness of the layer formed by conducting film tackiness agent is generally about 5 ~ 500 μm, is preferably 10 ~ 300 μm, is particularly preferably 20 ~ 200 μm.
(body material sheet)
As body material sheet, as long as have the material of the transparency, there is no particular restriction, can enumerate such as: polyethylene terephthalate, polybutylene terephthalate, the polyester films such as PEN, polyethylene film, polypropylene screen, polychloroethylene film, polyvinylidene chlorida film, polyvinyl alcohol film, vinyl-vinyl acetate copolymer film, Polystyrene Film, polycarbonate membrane, polymethylpentene film, polysulfone membrane, polyether-ether-ketone film, poly (ether sulfone) film, polyphenylene sulfide film, polyetherimde films, polyimide film, fluororesin film, polyamide membrane, acrylic resin film, norbornene resin film, the plastic films such as cycloolefin resin film.
The thickness of this plastic film is generally about 10 ~ 300 μm, is preferably 20 ~ 200 μm.
In addition, in order to improve the adaptation between these plastic film and the binder layers being arranged on its surface, can oxidation style, further provided for contouring method etc. be utilized to implement surface treatment or implement Cement Composite Treated by Plasma at its one or both sides as required.As above-mentioned oxidation style, such as Corona discharge Treatment, plasma discharge process, chromic acid process (wet type), flame treating, hot blast process, ozone/uviolizing process etc. can be enumerated, in addition, as further provided for contouring method, such as sand-blast, solvent treatment method etc. can be enumerated.These surface preparations suitably can be selected according to the kind of plastic film, but from the viewpoint of effect and operability etc., usually preferably adopt Corona discharge Treatment method.
(stripping film)
As stripping film, can be set forth in and the plastic films such as the polyolefin films such as the polyester films such as polyethylene terephthalate, polybutylene terephthalate, PEN, polypropylene, polyethylene be coated with the strippers such as silicone resin and the material being provided with peel ply.Thickness for this stripping film there is no particular restriction, is generally about 20 ~ 150 μm.
(the conducting film making of adhesive sheet I and II)
In order to make conducting film adhesive sheet I, binder layer formation coating liquid first to be prepared.The compound method of this coating liquid there is no particular restriction, such as, above-mentioned (A) composition, (B) composition and other any composition added as required can be added in a solvent, and to be uniformly mixed, to prepare binder layer formation coating liquid thus.
As above-mentioned solvent, the glycol ethers solvents etc. such as the cellosolve type solvents such as ester, ethyl cellosolve, propylene glycol monomethyl ether such as the ketone such as the halohydrocarbon such as aromatic hydrocarbon, methylene dichloride, ethylene dichloride, acetone, methylethylketone, 2 pentanone, isophorone, pimelinketone, ethyl acetate, butylacetate such as the such as aliphatic hydrocarbon such as hexane, heptane, toluene, dimethylbenzene can be enumerated.These solvents can be used alone a kind, also can be used in combination by two or more.
As the solid component concentration in this coating liquid, as long as be suitable for the viscosity applying this coating liquid, there is no particular restriction.
Then, adopt following method on the peel ply of stripping film, apply above-mentioned binder layer formation coating liquid, and carry out drying to form binder layer, described method comprises such as stick coating method, air knife coating method (knife coating), rolling method, spread coating, mould and is coated with method, gravure coating process etc.Then, the binder layer of this band stripping film is fitted in the one side of above-mentioned body material sheet across this binder layer, obtain conducting film adhesive sheet I of the present invention thus.
In addition, the binder layer formation coating liquid prepared according to the method described above is similarly coated on the peel ply of another stripping film, carry out drying to form binder layer, then this binder layer is fitted on the face of body material sheet side of above-mentioned conducting film adhesive sheet I, obtain conducting film adhesive sheet II of the present invention thus.It should be noted that, when as described above the binder layer of above-mentioned band stripping film being fitted in the two sides of body material sheet, be suitable for the binder layer of the heavy exfoliated stripping film of laminating band (also referred to as heavy stripping film), the binder layer of the laminating light exfoliated stripping film of band (also referred to as light stripping film) on another side in one side.
[conducting film adhesive sheet III]
The feature of conducting film adhesive sheet III of the present invention is, it only clamps with 2 stripping films the layer formed by the conducting film tackiness agent of the invention described above and obtains.Conducting film adhesive sheet III does not have the body material sheet that such as above-mentioned conducting film adhesive sheet I and II is such.
(the conducting film making of adhesive sheet III)
Conducting film adhesive sheet III of the present invention makes by method such as shown below.
First, in the same manner as in time making above-mentioned conducting film adhesive sheet I, binder layer formation coating liquid is coated on the peel ply of heavy exfoliated stripping film, carries out drying to form binder layer.Then, light exfoliated stripping film that this tackiness agent aspect is fitted, and its peel ply is contacted with this tackiness agent aspect, obtain conducting film adhesive sheet III of the present invention thus.
For conducting film adhesive sheet I, II and III of the present invention, the crystallinity metal conductive oxide film of its laminating object is preferably crystalline tin-doped indium oxide (ITO), in addition, its suitable touch panel component as touch panel, especially capacitance-type uses.
Touch panel component of the present invention has the binder layer of above-mentioned conducting film adhesive sheet is relatively carried out bonding structure with the surface of the crystallinity metal conductive oxide film be formed on above-mentioned conducting film body material.Touch panel component of the present invention can also be taked on the face of the face opposite side contacted with above-mentioned crystallinity metal conductive oxide film of above-mentioned conducting film adhesive sheet, to comprise adherend (below across the binder layer of this conducting film adhesive sheet or across other binder layer further, in the present invention, be sometimes referred to as the adherend of the opposition side of metal conductive oxide film) structure.As the example of the adherend of the opposition side of above-mentioned metal conductive oxide film, the transite plates etc. such as sheet glass, polycarbonate, (methyl) acrylic resin can be enumerated, but from the viewpoint of suppression resistance value increment rate, preferred glass plate.These adherends can use as the protection panel in the most surface portion of such as touch panel in touch panel component.
Embodiment
Below, the present invention is described in more detail, but the present invention is not limited to the examples completely in conjunction with the embodiments.
It should be noted that, the resistance value measuring method of ITO and the measuring method of storage modulus carry out according to method as follows.
(1) the resistance value measuring method of ITO
Fig. 2 is used to be described for the resistance value test sample used in resistance value determination test.The polyethylene terephthalate film 13 being provided with ito film 12 is from the teeth outwards prepared by sputtering, and the side not arranging ito film 12 of polyethylene terephthalate film 13 and sheet glass 15 are engaged across splicing tpae 14 [Lintec company manufactures, goods name " Tackliner TL-70 "].Then, the electroconductive resin material of coating containing silver [Fujikura Kasei Co., Ltd's manufacture, goods name " FA-301CA " DOTITE touch panel loop type] in ito film 12, and in 80 DEG C of heat dryings 20 minutes, made 2 electrodes 11 as the measuring point of resistance value.Now, adjusting its position makes the distance of this point-to-point transmission be 26mm.
The conducting film adhesive sheet III obtained in embodiment and comparative example (Fig. 2 (A)) is cut into the size of 26mm × 250mm, from conducting film with adhesive sheet III peel off stripping film 9 ', make its along 2 of the electrode 11 in ITO sputter face limit (not making it closely contact) laminating.Then, another stripping film 9 on the conducting film adhesive sheet III of Fig. 2 (B) is peeled off, fit as the slide glass 10 [manufacture of Song Langxiaozi Industrial Co., Ltd, " MICRO SLIDE GLASS "] of the thick 1.0mm of the adherend of the opposition side of metal conductive oxide film, wide 26mm, made the resistance value test sample of Fig. 2 (C) thus.
Then, as shown in Figure 3, use DIGITAL HiTESTER [manufacture of Zhi Electric Co., Ltd, " 3802-50 "] to the initial stage resistance value R between electrode 11
0measure.Resistance value test sample is placed 500 hours under the environment of temperature 65 DEG C, humidity 95%, then determines resistance value R after damp and hot promotion.Resistance value increment rate calculates by the following method.This resistance value increment rate lower than 20% time be qualified.
Resistance value increment rate (%)={ (R-R
0)/R
0} × 100
(2) measuring method of storage modulus
For the conducting film adhesive sheet III obtained in embodiment and comparative example, by superimposed multi-disc after stripping film removing, define the samples of sheets of thick 2.0mm.Determination of viscoelasticity device [manufacture of Rheometric Scientific F.E. company, trade(brand)name " RDAII "] is used to determine the storage modulus at 65 DEG C to formed samples of sheets under the mensuration frequency of 1Hz.
Embodiment 1
At acrylate copolymer (butyl acrylate: methyl acrylate: vinylformic acid (mass parts)=77:20:3, weight-average molecular weight Mw=80 ten thousand, concentration 28 quality %) toluene solution 100 mass parts in mix isocyanates linking agent [Toyo Ink Co., Ltd. manufacture, " BHS-8515 " concentration 37.5 quality %] [Soken Chemical & Engineering Co., Ltd. manufactures for 1.75 mass parts and aluminium chelating class linking agent, " M-5A " concentration 4.95 quality %] 1.75 mass parts, prepare acrylic adhesives solution, this solution is coated on heavy stripping film in the mode that dried thickness is 25 μm, and [Lintec company manufactures, goods name " SP-PET38T103-1 "] on, in 120 DEG C of heating after 2 minutes, by light stripping film, [Lintec company manufactures, goods name " SP-PET381031 "] be fitted on tackiness agent face, obtain conducting film adhesive sheet III.
Now, relative to solids component 100 mass parts of acrylate copolymer, the addition of aluminium chelating class linking agent is 0.31 mass parts.
Embodiment 2
Employ in toluene solution 100 mass parts of acrylate copolymer (butyl acrylate: methyl acrylate: vinylformic acid (mass parts)=77:20:3, weight-average molecular weight Mw=90 ten thousand, concentration 30 quality %) aluminum mixture chelating class linking agent [Soken Chemical & Engineering Co., Ltd. manufactures, " M-5A " concentration 4.95 quality %] 4 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Now, relative to solids component 100 mass parts of acrylate copolymer, the addition of aluminium chelating class linking agent is 0.66 mass parts.
Comparative example 1
Employ at acrylate copolymer (butyl acrylate: methyl acrylate: vinylformic acid 4-hydroxybutyl (mass parts)=79:20:1, weight-average molecular weight Mw=90 ten thousand, concentration 30 quality %) toluene solution 100 mass parts in mix isocyanates linking agent [Soken Chemical & Engineering Co., Ltd. manufacture, " TD-75 " concentration 75 quality %] [Shin-Etsu Chemial Co., Ltd manufactures for 0.05 mass parts and silane coupling agent, " KBM403 " concentration 100%] 0.15 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 2
Employ and in toluene solution 100 mass parts of acrylate copolymer (butyl acrylate: methyl acrylate: vinylformic acid 2-hydroxy methacrylate: acryloyl morpholine (mass parts)=79:2:2:17, weight-average molecular weight 900,000, concentration 35.1 quality %), to mix isocyanates linking agent [Toyo Ink Co., Ltd. manufactures, " BHS-8515 " concentration 37.5 quality %] 0.5 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 3
Employ and in toluene solution 100 mass parts of acrylate copolymer (2-EHA: cyclohexyl acrylate: vinylformic acid (mass parts)=59.7:40:0.3, weight-average molecular weight Mw=80 ten thousand, concentration 40 quality %), to mix isocyanates linking agent [Toyo Ink Co., Ltd. manufactures, " BHS-8515 " concentration 37.5 quality %] 0.5 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 4
Employ and in toluene solution 100 mass parts of acrylate copolymer (butyl acrylate: isobutyl acrylate: vinylformic acid (mass parts)=49.125:49.125:1.75, weight-average molecular weight 500,000, concentration 32 quality %), to mix isocyanates linking agent [Toyo Ink Co., Ltd. manufactures, " BHS-8515 " concentration 37.5 quality %] 3 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 5
Employ and in toluene solution 100 mass parts of acrylate copolymer (butyl acrylate: methyl acrylate: vinylformic acid 2-hydroxy methacrylate: acryloyl morpholine (mass parts)=83.5:2:0.5:14, weight-average molecular weight 700,000, concentration 35.1 quality %), to mix isocyanates linking agent [Toyo Ink Co., Ltd. manufactures, " BHS-8515 " concentration 37.5 quality %] 1.8 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 6
Employ and in toluene solution 100 mass parts of acrylate copolymer (butyl acrylate: vinylformic acid (mass parts)=91:9, weight-average molecular weight Mw=60 ten thousand, concentration 30 quality %), to mix isocyanates linking agent [Toyo Ink Co., Ltd. manufactures, " BHS-8515 " concentration 37.5 quality %] 2 mass parts and the acrylic adhesives solution prepared, in addition, conducting film adhesive sheet III is obtained according to the method identical with embodiment 1.
Comparative example 7
Except using the toluene solution of acrylate copolymer (butyl acrylate: vinylformic acid (mass parts)=90:10, weight-average molecular weight Mw=40 ten thousand, concentration 35 quality %) as acrylic adhesives solution and not using except linking agent, obtain conducting film adhesive sheet III according to the method identical with embodiment 1.
Use the conducting film adhesive sheet III obtained in above-described embodiment 1,2 and comparative example 1 ~ 7, according to the measuring method of the resistance value of above-mentioned (1) ITO and the measuring method of (2) storage modulus to initial stage resistance value R
0and the resistance value R after 500 hours measures, obtain resistance value increment rate simultaneously, and the storage modulus at 65 DEG C is measured.
The above results is as shown in table 1.
In addition, when using the conducting film adhesive sheet III obtained in embodiment 1 to measure the resistance value of above-mentioned (1) ITO, use amorphous ITO to replace crystallinity ITO to measure, measurement result 1 is shown in table 1 as a reference example.Equally, for embodiment 2, be also shown in table 1 as a reference example 2.
In addition, when using the conducting film adhesive sheet III obtained in embodiment 1 and 2 to measure the resistance value of above-mentioned (1) ITO, as the adherend of the opposition side of metal conductive oxide film, use acrylic resin board to replace slide glass 10 to measure, measurement result is shown in table 1 as reference example 3 and 4.
In addition, in above-mentioned reference example 3 and 4, use polycarbonate resin plate to replace acrylic resin board to measure, measurement result is shown in table 1 as reference example 5 and 6.
[note]
BA: butyl acrylate
2EHA: 2-EHA
IBA: isobutyl acrylate
MA: methyl acrylate
CHA: cyclohexyl acrylate
ACMO: acryloyl morpholine
AAc: vinylformic acid
HEA: vinylformic acid 2-hydroxy methacrylate
4HBA: vinylformic acid 4-hydroxybutyl
ITO: tin-doped indium oxide
As shown in Table 1, embodiment 1 and 2 due to be comprise acrylic acid units 0.5 ~ 10% tackiness agent and employ metal-chelating class linking agent, therefore resistance value increment rate is lower than 20%, therefore preferably.Although comparative example 3,4 and 6 is the tackiness agents comprising acrylic acid units, do not use aluminium chelating class linking agent, the storage moduluss of 65 DEG C lower than 0.1MPa, therefore resistance value increment rate is more than 20%, therefore not preferred.Comparative example 1,2 and 5 is the tackiness agents not comprising acrylic acid units, and resistance value increment rate is more than 20%.In addition, comparative example 7 is the tackiness agents comprising acrylic acid units, but does not use linking agent, and the storage moduluss of 65 DEG C lower than 0.1MPa, therefore resistance value increment rate is more than 20%, therefore not preferred.
In addition, as shown in the result of reference example 3 ~ 6, compared with the situation of sheet glass, the adherend of the opposition side of metal conductive oxide film be acrylic resin board or polycarbonate resin plate when demonstrate high resistance value increment rate, the superiority of sheet glass can be confirmed.
Industrial applicibility
Crystallinity metal conductive oxide film tackiness agent of the present invention and use the crystallinity metal conductive oxide film adhesive sheet of this tackiness agent to be tackiness agent for display unit such as crystallinity metal conductive oxide film and LCD such as fixing tin-doped indium oxide (ITO) films and adhesive sheet, it can suppress the deterioration of the conducting film such as ito film as adherend, and the rising of resistance value can be suppressed, be especially suitable for capacitance-type touch panel purposes.
Claims (9)
1. a touch panel component, its layer at least comprising crystallinity metal conductive oxide film and formed by crystallinity metal conductive oxide film tackiness agent, the described layer formed by crystallinity metal conductive oxide film tackiness agent directly connects with described crystallinity metal conductive oxide film, described crystallinity metal conductive oxide film tackiness agent contains (A) alkyl-acrylates multipolymer and (B) aluminium chelating class linking agent, the carbonatoms that described (A) alkyl-acrylates multipolymer comprises (a-1) ester portion alkyl is acrylate unit 50 ~ 99 quality % and (a-2) acrylic acid units 0.5 ~ 10 quality % of 1 ~ 20, and relative to solids component 100 mass parts of (A) alkyl-acrylates multipolymer, (B) aluminium chelating class linking agent containing 0.01 ~ 2 mass parts.
2. touch panel component according to claim 1, wherein, (a-1) acrylate unit is at least butyl acrylate units.
3. touch panel component according to claim 1 and 2, wherein, described crystallinity metal conductive oxide film tackiness agent is more than 0.10MPa the storage modulus of 65 DEG C.
4. touch panel component according to claim 1 and 2, wherein, described crystallinity metal conductive oxide film is crystalline tin-doped indium oxide.
5. touch panel component according to claim 1 and 2, its layer formed by sheet glass, described crystallinity metal conductive oxide film tackiness agent and described crystallinity metal conductive oxide film lamination and obtaining successively.
6. touch panel component according to claim 1 and 2, wherein, touch panel is capacitance-type.
7. touch panel component according to claim 3, wherein, described crystallinity metal conductive oxide film is crystalline tin-doped indium oxide.
8. touch panel component according to claim 3, it is obtained by sheet glass, the layer formed by described crystallinity metal conductive oxide film tackiness agent and described crystallinity metal conductive oxide film successively lamination.
9. touch panel component according to claim 3, wherein, touch panel is capacitance-type.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010175131 | 2010-08-04 | ||
| JP2010-175131 | 2010-08-04 | ||
| PCT/JP2011/068215 WO2012018142A1 (en) | 2010-08-04 | 2011-08-03 | Adhesive for crystalline metal oxide conducting film and adhesive sheet for crystalline metal oxide conducting film using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103038305A CN103038305A (en) | 2013-04-10 |
| CN103038305B true CN103038305B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180037147.2A Active CN103038305B (en) | 2010-08-04 | 2011-08-03 | Adhesive for crystalline metal oxide conducting film and adhesive sheet for crystalline metal oxide conducting film using the same |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5827622B2 (en) |
| KR (1) | KR20130033437A (en) |
| CN (1) | CN103038305B (en) |
| TW (1) | TWI507496B (en) |
| WO (1) | WO2012018142A1 (en) |
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|---|---|---|---|---|
| KR101486118B1 (en) * | 2012-08-14 | 2015-01-23 | (주)엘지하우시스 | Laminate including optically clear adhesive layer and method of preparing the same |
| US9227453B2 (en) * | 2012-09-06 | 2016-01-05 | Lintec Corporation | Flame-retardant laminate and flame-retardant adhesive sheet |
| JP6232723B2 (en) * | 2013-03-29 | 2017-11-22 | 東洋インキＳｃホールディングス株式会社 | Adhesive and adhesive sheet using the same |
| WO2015159402A1 (en) * | 2014-04-17 | 2015-10-22 | 大倉工業株式会社 | Optical transparent adhesive sheet for transparent conductive bodies, transparent conductive body having said sheet attached thereto, and touch panel equipped with said conductive body |
| JP7017442B2 (en) * | 2018-03-12 | 2022-02-08 | リンテック株式会社 | Temperature sensitive adhesive sheet and laminate |
| WO2020100434A1 (en) * | 2018-11-16 | 2020-05-22 | 株式会社有沢製作所 | Adhesive tape and method for producing semiconductor package |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740256A (en) * | 2004-08-23 | 2006-03-01 | 琳得科株式会社 | Pressure-sensitive adhesive composition used for polarized film |
| CN101080321A (en) * | 2005-10-31 | 2007-11-28 | 日东电工株式会社 | Conductive laminated film, electrode plate for touch panel, touch panel, and adhesive for conductive laminated film |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002341141A (en) * | 2001-05-15 | 2002-11-27 | Nitto Denko Corp | Adhesion type optical film and liquid crystal display device |
| DE102006013834A1 (en) * | 2006-03-23 | 2007-09-27 | Tesa Ag | Electroluminescent PSAs |
| JP5277937B2 (en) * | 2008-12-17 | 2013-08-28 | Ｄｉｃ株式会社 | Double-sided adhesive sheet for fixing transparent conductive film, transparent conductive film laminate, touch panel device |
| JP5795472B2 (en) * | 2009-11-30 | 2015-10-14 | リンテック株式会社 | Adhesive for attaching conductive film and adhesive sheet for attaching conductive film |
-
2011
- 2011-08-03 WO PCT/JP2011/068215 patent/WO2012018142A1/en active Application Filing
- 2011-08-03 JP JP2012527799A patent/JP5827622B2/en active Active
- 2011-08-03 KR KR1020137002701A patent/KR20130033437A/en not_active Application Discontinuation
- 2011-08-03 CN CN201180037147.2A patent/CN103038305B/en active Active
- 2011-08-03 TW TW100127529A patent/TWI507496B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740256A (en) * | 2004-08-23 | 2006-03-01 | 琳得科株式会社 | Pressure-sensitive adhesive composition used for polarized film |
| CN101080321A (en) * | 2005-10-31 | 2007-11-28 | 日东电工株式会社 | Conductive laminated film, electrode plate for touch panel, touch panel, and adhesive for conductive laminated film |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5827622B2 (en) | 2015-12-02 |
| TWI507496B (en) | 2015-11-11 |
| KR20130033437A (en) | 2013-04-03 |
| TW201211182A (en) | 2012-03-16 |
| CN103038305A (en) | 2013-04-10 |
| JPWO2012018142A1 (en) | 2013-10-28 |
| WO2012018142A1 (en) | 2012-02-09 |
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